Remove gnu subdirectory

Get rid of the extra subdirectory for the gnu toolchains and let them
sit at the same level as the llvm toolchain. This avoids making the SDK
incompatible with previous versions.

Signed-off-by: Keith Packard <keithp@keithp.com>

Author: keith-packard

.github/workflows/ci.yml

@@ -1292,7 +1292,7 @@ jobs:
         fi
 
         # Create bundle directory
-        mkdir ${ARCHIVE_DIR}
+        mkdir -p ${ARCHIVE_DIR}
         pushd ${ARCHIVE_DIR}
 
         # Stage version file
@@ -1351,8 +1351,7 @@ jobs:
         fi
 
         # Stage GNU toolchains
-        mkdir ${ARCHIVE_DIR}/gnu
-        pushd ${ARCHIVE_DIR}/gnu
+        pushd ${ARCHIVE_DIR}
 
         ## Generate target list from the workflow matrix
         TARGETS=$(echo '${{ needs.setup.outputs.targets }}' | jq -cr '.[]')
@@ -1381,8 +1380,10 @@ jobs:
           7z a -t7z -l ${ARCHIVE_NAME}_gnu.${EXT} ${ARCHIVE_DIR}
         fi
 
-        # Unstage GNU toolchain directory
-        rm -rf ${ARCHIVE_DIR}/gnu
+        # Unstage GNU toolchain directories
+        for TARGET in ${TARGETS}; do
+	  rm -rf ${ARCHIVE_DIR}/${TARGET}
+	done
 
         # Stage LLVM toolchains
         pushd ${ARCHIVE_DIR}

cmake/zephyr/gnu/generic.cmake

@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: Apache-2.0
 
-set(TOOLCHAIN_HOME ${ZEPHYR_SDK_INSTALL_DIR}/gnu)
+set(TOOLCHAIN_HOME ${ZEPHYR_SDK_INSTALL_DIR})
 
 set(COMPILER gcc)
 set(LINKER ld)

cmake/zephyr/gnu/target.cmake

@@ -26,8 +26,8 @@ set(CROSS_COMPILE_TARGET_sparc     sparc-zephyr-elf)
 set(CROSS_COMPILE_TARGET ${CROSS_COMPILE_TARGET_${ARCH}})
 set(SYSROOT_TARGET       ${CROSS_COMPILE_TARGET})
 
-set(SYSROOT_DIR   ${ZEPHYR_SDK_INSTALL_DIR}/gnu/${SYSROOT_TARGET}/${SYSROOT_TARGET})
-set(CROSS_COMPILE ${ZEPHYR_SDK_INSTALL_DIR}/gnu/${CROSS_COMPILE_TARGET}/bin/${CROSS_COMPILE_TARGET}-)
+set(SYSROOT_DIR   ${ZEPHYR_SDK_INSTALL_DIR}/${SYSROOT_TARGET}/${SYSROOT_TARGET})
+set(CROSS_COMPILE ${ZEPHYR_SDK_INSTALL_DIR}/${CROSS_COMPILE_TARGET}/bin/${CROSS_COMPILE_TARGET}-)
 
 if("${ARCH}" STREQUAL "x86")
   if(CONFIG_X86_64)

scripts/template_setup_posix

@@ -52,7 +52,7 @@ check_command()
 check_full_gnu_sdk()
 {
   for toolchain in ${gnu_toolchains[@]}; do
-    if [ ! -d "gnu/${toolchain}" ]; then
+    if [ ! -d "${toolchain}" ]; then
       return 1
     fi
   done
@@ -100,7 +100,7 @@ user_prompt()
         inst_gnu_toolchains=(${gnu_toolchains[*]})
       else
         for toolchain in ${gnu_toolchains[@]}; do
-          if [ ! -d "gnu/${toolchain}" ]; then
+          if [ ! -d "${toolchain}" ]; then
             ask_yn "Install '${toolchain}' GNU toolchain" && inst_gnu_toolchains+=("${toolchain}")
           fi
         done
@@ -217,9 +217,6 @@ fi
 
 # Install GNU toolchains
 if [ "${do_gnu_toolchain}" = "y" ]; then
-  mkdir -p gnu
-  pushd gnu
-
   for toolchain in ${inst_gnu_toolchains[@]}; do
     eval toolchain_filename="${dl_gnu_toolchain_filename}"
     toolchain_uri="${dl_rel_base}/${toolchain_filename}"
@@ -248,7 +245,6 @@ if [ "${do_gnu_toolchain}" = "y" ]; then
 
     echo
   done
-  popd
 fi
 
 # Install LLVM toolchain

scripts/template_setup_win

@@ -107,7 +107,7 @@ echo.
 
 REM # Check installation type
 for %%t in (%GNU_TOOLCHAINS%) do (
-  if not exist gnu\%%t\ (
+  if not exist %%t\ (
     set IS_PARTIAL_GNU_SDK=y
   )
 )
@@ -122,7 +122,7 @@ if [!ERRORLEVEL!] equ [1] (
       set INST_GNU_TOOLCHAINS=%GNU_TOOLCHAINS%
     ) else (
       for %%t in (%GNU_TOOLCHAINS%) do (
-        if not exist gnu\%%t\ (
+        if not exist %%t\ (
           choice /c:yn /m:"Install '%%t' GNU toolchain"
           if [!ERRORLEVEL!] equ [1] (
             set INST_GNU_TOOLCHAINS=!INST_GNU_TOOLCHAINS! %%t
@@ -147,9 +147,6 @@ echo.
 :process
 REM # Install GNU toolchains
 if [%DO_GNU_TOOLCHAIN%] neq [] (
-  if not exist gnu\ mkdir gnu
-  pushd gnu
-
   for %%t in (%INST_GNU_TOOLCHAINS%) do (
     set TOOLCHAIN_FILENAME=%DL_GNU_TOOLCHAIN_FILENAME%
     set TOOLCHAIN_URI=%DL_REL_BASE%/!TOOLCHAIN_FILENAME!
@@ -178,7 +175,6 @@ if [%DO_GNU_TOOLCHAIN%] neq [] (
       del /q !TOOLCHAIN_FILENAME!
     )
   )
-  popd
 )
 
 REM # Install LLVM toolchain